Base | Representation |
---|---|
bin | 100101100100110001… |
… | …1111001001100111011 |
3 | 21201021111102121011011 |
4 | 1023021203321030323 |
5 | 2310223401303313 |
6 | 101022521014351 |
7 | 5554412350432 |
oct | 1131143711473 |
9 | 251244377134 |
10 | 80691041083 |
11 | 31247a97514 |
12 | 1377b3243b7 |
13 | 77bc358473 |
14 | 3c96860119 |
15 | 2173ec193d |
hex | 12c98f933b |
80691041083 has 2 divisors, whose sum is σ = 80691041084. Its totient is φ = 80691041082.
The previous prime is 80691041063. The next prime is 80691041089. The reversal of 80691041083 is 38014019608.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80691041083 - 221 = 80688943931 is a prime.
It is a super-2 number, since 2×806910410832 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (80691041089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40345520541 + 40345520542.
It is an arithmetic number, because the mean of its divisors is an integer number (40345520542).
Almost surely, 280691041083 is an apocalyptic number.
80691041083 is a deficient number, since it is larger than the sum of its proper divisors (1).
80691041083 is an equidigital number, since it uses as much as digits as its factorization.
80691041083 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 40.
The spelling of 80691041083 in words is "eighty billion, six hundred ninety-one million, forty-one thousand, eighty-three".
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